Gate valve for irrigation pipe



FIG. 1 is a perspective view taken from the top, front and left side of a gate valve for irrigation pipe showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof; and

FIG. 4 is a front elevational view thereof. 

The ornamental design for a gate valve for irrigation pipe, as shown and described. 